[Bug] BetterChat AntiSpam incorrectly takes into account Timestamps

[RacoonDog]

Describe the bug

BetterChat AntiSpam incorrectly takes into account Timestamps

Steps to reproduce

1. Activate BetterChat with both AntiSpam and Timestamps
2. Say something
3. Say the same thing a minute later
4. Messages will not be filtered

Meteor Version

0.5.0-1506

Minecraft Version

1.19

Operating System

Windows

Before submitting a bug report

• [X] This bug wasn't already reported. (I have checked every bug report on github)

• [X] This is a valid bug. (I am able to reproduce this on the latest dev build)